PMA 16" UPPER RECEIVER CARBINE-LENGTH 5.56 NATO NITRIDE 15" LIGHTWEIGHT M-LOK B5 RIFLE KIT
- Length: 16"
Steel: 4150V Chrome
- Chamber: 5.56 NATO
at Gas Block: .750
Block Type: Low-profile
Device: A2 Flash Hider Muzzle
Material: Forged 7075 T6
Type: PMA 15"
Lightweight M-Lok Rail
Carrier Group Included: Yes
Carrier Profile: Full-auto
Handle Included: Yes
Kit: B5 Stock and Pistol Grip
Barrel: 16" 4150V Chrome Moly Vanadium steel,
nitride treated for durability and accuracy, and chambered in 5.56 NATO with a
1 in 8" twist. Carbine-length gas barrel is finished off with a PMA
15" M-Lok Rail, a steel low profile gas block and a PMA Flash Hider.
Upper: PMA Forged 7075-T6 A3 AR upper receiver is
made to meet MILSPECs and finished in hard coat type III anodized black for
durability. These uppers are made for us right here in the USA by our ISO 9001 certified
Bolt Carrier Group: Our bolt carriers are made of 8620 steel and
machined to USGI standards. Our Bolt is made of shot-peened C158 steel. Gas key
is secured with grade 8 fasteners and staked per mil-spec. The extractor
is machined from billet steel. The components are all properly heat treated to
ensure the proper hardness and then nitrided for a slick finish that aids in
functioning. Each BCG is then individually inspected on site for quality.
Build Kit: A high quality lower build kit with everything
you need to assemble your AR-15 lower. Features a B5 Grip, Lower
Parts Kit, also includes a B5 Buttstock, castle nut, latch plate,
carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine